Supercomputers/Systems/Pelle
Sweden · operational · mixed
Pelle
Also known as UPPMAX Pelle
Operated by UPPMAX at UPPMAX (Uppsala) .
Phase 1 seed dataset, compiled by hand. These rows were built from public operator, laboratory and vendor sources. A mechanical second-reader pass has since fetched every cited source: 1092 of 1153 systems have a readable citation that names them, and 40 are genuinely weakly sourced. Every claim carries its source and a confidence tier. Treat anything below verified as a lead, not a citation.
Measured performance
- Rmax
- -
- Rpeak
- -
- Rmax ÷ Rpeak
- -
- Cores
- -
- Power
- -
- Per watt
- - GF/W
Figures are as last publicly reported for the configuration described below, not a live measurement. Where a system was upgraded in place, the post-upgrade configuration is shown and the earlier one appears in the timeline.
What this machine is made of
One row per supplier relationship. “Supplier at build” is the company that shipped the part at the time; where that company has since been acquired, the parent it rolls up to today is shown beside it. That distinction is what makes ticker-level aggregation possible across a thirty-year dataset.
| Role | Part | Supplier at build | Quantity | Confidence | Source |
|---|---|---|---|---|---|
| Accelerator | NVIDIA L40S Accelerators CUDA (Ada Lovelace) · 350 W NVIDIA L40s 48 GB: 4 nodes x 10 (arithmetic from node table) | NVIDIA | 40 estimated | Reported | docs.uppmax.uu.se |
| Accelerator | - NVIDIA H100 NVL 94 GB: 2 nodes x 2 (arithmetic from node table) | NVIDIA | 4 estimated | Reported | docs.uppmax.uu.se |
| CPU | - AMD EPYC 9454P (48 cores) on 82 CPU nodes; dual EPYC 9124 on GPU nodes | AMD | - | Reported | docs.uppmax.uu.se |
The read
Uppsala University's UPPMAX cluster at the Angstrom Laboratory, the replacement for Rackham. UPPMAX documentation lists 80 AMD EPYC 9454P nodes (48 cores, 768 GB), two large-memory nodes of 2 TB and 3 TB, four GPU nodes with dual EPYC 9124 and 10 NVIDIA L40s each, two nodes with 2 NVIDIA H100 NVL each, and older Haswell nodes (some with T4 GPUs), on 100 Gbit/s networking running Rocky 9. Uppsala University's March 2026 news item announces Pelle as the university-wide supercomputer. The 40 L40s and 4 H100 totals are arithmetic from the node table.
Timeline
No dated events recorded.
Site & facility
Change history
- 2026-10-02 Added Pelle, Uppsala University's UPPMAX cluster
Source check
We fetched this system's own citations and recorded whether each page actually mentions it. This is a corroboration signal, not a fact check, and it is published so you can see how well the sourcing holds up rather than take it on trust.
| Cited source | Result | Found on the page |
|---|---|---|
| docs.uppmax.uu.se | names system, part and count | NVIDIA L40S · counts: 40 |
| uu.se | names system only | · counts: 40 |
Checked 2026-10-09 by pnpm verify. Re-run it and the table changes with the web.